INSTRUCTIONS Raytherm™ Hot Water Supply Heaters Models 0133–4001 Type WH ® WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Refer to this manual. Installation and service must be performed by a qualified installer, service agency or the gas supplier.
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Rev. 16 reflects the following: Changes to: ASME Mark on page 1, warnings on page 4, warning on page 27 Additions: Warnings on page 7, warning on page 13, warnings on page 14, warning on page 19, caution on page 20, warn- ing on page 30, warning on page 48...
CONTENTS WARNINGS Burner Adjustment Pay Attention to These Terms Visual Inspection GENERAL SAFETY Electrical Time/Temperature Relationships in Scalds 6 High Gas Pressure Switch RECEIVING EQUIPMENT Burner Tray Removal Model Identification Gas Valve Removal General Specifications Main Burner And Orifice Removal All Models (Approved) Pilot Removal Hot Water Supply Heaters...
WARNINGS— Pay Attention to These Terms Indicates the presence of immediate hazards which will cause severe DANGER: personal injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause WARNING: severe personal injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause CAUTION: minor personal injury or product or property damage if ignored.
WARNING - CALIFORNIA PROPOSITION 65: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. DANGER Water temperature over 125°F can Vapors from flammable liquids Water heater has a main cause instant severe burns or death will explode and catch fire burner and pilot flame.
RECEIVING EQUIPMENT Time/Temperature Relationships in Scalds WARNING: Pump motors should NOT be The temperature of the water in the storage tank supported by any type of stand or support from heater can be regulated by setting the temperature above due to possible misalignment of pump and dial on front of the tankstat.
0514 and up. and the National Electrical Code, ANSI/NFPA 70. In Canada installations must conform with the current Model 0133 has 4-pass heat exchanger, 1 tube per CAN/CSA B149 and the Canadian Electrical Code pass.
054601 installed on a combustible surface. (See ordering info.) 1571* 058378 Note 2: Servicing Clearances: Provide at least 24" (Models 0133- 1758* 058379 1826), 48" (Models 2100-4001) in front of unit for removal & servicing of the Controls & Burner Tray. Provide at least 18" on side...
NOTE: The heater shall be installed in a space large in comparison to the size of the heater. Large space is defined as having a volume at least sixteen (16) times the total volume of the heater. Specifications and Dimensions MODEL 0133 Indoor Outdoor...
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MODELS 0514-0824 Indoor/Outdoor Dimensions (in inches) Flue Width Conn. Diameter Model Input Recovery Number GPH* NOTE: WH-0514 511.5 32-3/4 25-3/8 Ratings are shown for elevations up to WH-0624 627.0 37-1/2 29-1/2 2,000 feet. For elevations over 2,000 feet, WH-0724 726.0 41-5/8 34-1/4 reduce ratings 4% for each 1,000 feet above...
(10) feet hor- izontally. a. All Air From Inside The Building: Each opening shall have a minimum net free square inches as noted: Square Square Inches Inches Model Model 0133 1223 1223 0182/0181 1336 1337 0260/0261 1468 1467 0330/0331 1631...
Venting WARNING: Examine the venting system at least once a year. Check all joints and vent pipe connections for tightness, corrosion or deterioration. Outdoor Installations Model 0133 1. Remove the front (4) screws. OUTDOOR 8-3/8" FLOOR BASE 2. Line up outdoor top vent opening over heater vent opening.
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To do so may cause the flue products to be discharged into the living space causing serious health injury. Model 0133 Fig. 7: Outdoor Top Installation Refer to Fig. 9 on the following page. 2. Tighten the (4) screws (Shown below) until they 1.
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Models 0181-0401 and 0182-0400 Models 0514-0824 Vent Terminal/Indoor Stack Locate and assemble as shown below. Secure with Installation screws supplied in envelope in carton. 1. Remove the louvered jacket top by removing four (4) #10 flathead screws. 2. If originally installed, remove "Pagoda" top from the louvered jacket top.
Vent Piping 10' OR LESS VENT CAP 2' MIN 2' MIN Vent piping of the same size as the drafthood outlet is recommended, however, when the total vent height is at least ten (10) feet (drafthood relief opening to vent 5' MIN VENT PIPE terminal), the vent pipe size may be reduced as spec-...
Vent Damper Installation The vent damper is set up for a continuous pilot sys- tem. If the vent damper is installed on an Intermittent Models 0133 Through 0180 Pilot or Direct Spark Ignition equipped system, the (Where Required) energy savings of the vent damper can be improved by plugging the hole in the vent damper blade using the knockout plug, Part No.
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Vent Damper HORIZONTAL INSTALLATION FLOW > For safe, efficient operation, the vent damper and all flue product carrying areas of the appliance must be HEATER D808 checked annually, with particular attention given to TO BOILER TO CHIMNEY deterioration from corrosion or other sources. Check vent damper operation as follows: VERTICAL INSTALL VENT...
Plumbing CAUTION: The heater and its manual shut-off valve must be disconnected from the gas supply General during any pressure testing of that system at test pressures in excess of 1/2 PSIG. Dissipate test pressure in the gas supply line before reconnecting Heater should be located so that any water leaks will the heater and its manual shut-off valve to gas not cause damage to any adjacent areas or structures.
Flow Rates MAXIMUM AND MINIMUM FLOW RATES 2-PASS HEAT EXCHANGER 1-PASS HEAT EXCHANGER SIZE CONN P FT CONN P FT P FT P FT 0133* 14.7 1-1/4" 0182/0181 1-1/2" 0260/0261 1-1/2" 0330/0331 1-1/2" 0400/0401 1-1/2" 0514 2" 0624 2" 0724 2"...
Controls—General Relief Valve A new combination temperature and pressure (T&P) relief valve, complying with the Standard for Relief Valves and Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22, must be installed in the opening provided on top of the storage tank at the time of installation.
on-off cycling heater. The valve has a remote capillary bulb immersed in a well, at the header outlet, to main- tain a constant outlet water temperature. When multiple valves are furnished, they can be staged to give greater flexibility of control. Standard factory set- ting is at position 5.
100% Pilot Safety CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause Models 0514-4001 employ electronic devices which improper and dangerous operation. Verify proper close the main gas valve within 8/10 of a second operation after servicing. whenever the pilot flame is interrupted.
Location of Controls START-UP CAUTION: Propane gas is heavier than air and PROCEDURES sinks to the ground. Exercise extreme care in light- ing heater in confined areas. before Start-Up Initial Start-Up - Pump and Motor Safe lighting and other performance criteria were met with the gas manifold and control assembly provided Many pumps are now direct-drive.
LIGHTING INSTRUCTIONS FOR HEATERS WITH ELECTRONIC IGNITION (IID) FOR MODELS WITH MANUAL GAS VALVES FOR YOUR SAFETY READ BEFORE OPERATING WARNING:If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance is equipped with an ignition device If you cannot reach your gas supplier, call the fire de- which automatically lights the pilot.
FOR MODELS WITH AUTOMATIC GAS VALVES PILOT SHUT-OFF VALVE CONTROL TO PILOT SHOWN IN "ON" 1. Close all gas valves. Turn off electric power supply. POSITION Wait five (5) minutes. 2. Open manual pilot valve. Turn on electric power. Pilot is automatically lighted. 3.
If problems are found, refer to the Troubleshooting sections of this manual for additional directions. The Raytherm Low NOx Heater is offered with WH1- 1. Remove top of heater and inspect heat exchanger On-Off firing (standard) or 2-stage firing (optional). The for soot and examine venting system.
c. Check the ignition spark operation. Time must COMBUSTION be within the lockout timing period (15 or 90 sec- AIR BLOWER onds). d. Turn control down to end call for heat and wait AIR SHUTTER 60 seconds on lockout models before beginning ADJUSTMENT step 3.
Main burner And Orifice Removal 1. Remove burner tray. (See Burner Tray Removal procedure on page 34.) 2. Remove (8) screws from the hold-down brackets. 3. Remove (8) screws from the left and right sides of the manifold assembly. Detach the manifold assembly from the burner tray assembly.
TROUbLESHOOTING WARNING—HIGH VOLTAGE: For qualified technicians ONLY. Electrical—Electronic Ignition IID NOTE: Some heaters may be equipped with an ignition module that shuts off pilot gas if pilot fails to Intermittent Pilot System light. To reset, interrupt power to heater. Honeywell S8600 START NOTE: Before troubleshooting, familiarize yourself with the start-up and checkout TURN GAS SUPPLY OFF.
Mechanical MECHANICAL PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION When heater is turned on nothing No power to the heater…………………. Check the circuit breaker, outdoor con- happens. troller, etc., upstream of heater. Bad transformer…………………………. If power to Leads L1 and L2 of trans- former, but no power on 24V side, re- place.
Troubleshooting—Pumps Pump Loses Prime Failure To Pump 1. Air leaks in suction line. 2. Excess air in water. 3. Water seal in stuffing box not functioning. 1. Pump not properly primed. 4. Excessive suction lift and pump operating too near 2.
COMBINATION FLAME SENSOR/ IGNITER AND PILOT BURNER Fig. 38: Typical Burner Tray Illustrated burner Tray Removal 6. Remove the spring and store in a safe place. 7. Using an Allen wrench, turn the screw clockwise to increase or counterclockwise to decrease high fire 1.
Main burner and Orifice 8. Lift heat exchanger straight up using caution not to damage refractory. Removal Heat Exchanger Re-Assembly 1. Remove screws and burner hold-down bracket. NOTE: If the heat exchanger is sooted badly, the 1. Heat exchanger water header O-rings must be burner hold-down bracket and spacer can become replaced with new ones.
Combustion Chamber Removal Tube Replacement To remove combustion chamber refractory you must 1. Remove heat exchanger from heater following first have removed the heat exchanger. Unbolt metal instructions outlined under HEAT EXCHANGER combustion chamber retainer from top and remove REMOVAL on page 45. refractory panels individually.
REPLACEMENT PARTS Cleaning Flue Gas Passageways See separate parts sheet in instruction envelope. Soot will clog areas between fins and cause eventual NOTE: To supply the correct part it is important that tube failure. Any sign of soot at base of burners or you state the model number, serial number and type around outer jacket indicates a need for cleaning.
LIMITED PARTS WARRANTY RAYTHERM™ COMMERCIAL HEATERS TYPES H & WH MODELS 0133 TO 4001 SCOPE: Raypak, Inc. ("Raypak") warrants to the original owner that all parts of this heater which are actually manufactured by Raypak will be free from failure under normal use and service for the specified warranty periods and subject to the conditions set forth in this Warranty.
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www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Litho in U.S.A.
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